OpenTechnical

OT-2026-000004940

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, contact triggered, vented after set down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004940) never changes.

Identity and time

Publication numberOT-2026-000004940 · never reused
Internal UUID01a0a928-7e4a-76df-b666-424e7c533bfe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:58.412543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004940
StatusPUBLIC

Content hashes

Canonical text92cb09bfc5c3e64dc87220befdb92beba19151bdeca6759bc726a176a19791bd
Markdowna6ec3576a0f2fda973be4c620d90a3964bf3225db1c2e91295cd52ba0b0c21b4
PDF
Publication page55f4c16320175e996aa5e4b6f2b7ae9e6be025fe1963954b87ddf247f3ee2f55
Manifesta998fdcc68316557d19c4b1319879e310cb4f876830530e55371a615f7ad250f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureO6R/8nd57s38OHGBJeFmTwWnP/K94Q3uoRJHJQCawlQby+1IYWoZNi2u5M1prhMD2Uyxqr07QMsksfZ498yfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:02.233774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004940
observed 55f4c16320175e996aa5e4b6f2b7ae9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.221643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004940/manifest.json
observed a998fdcc68316557d19c4b1319879e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.208271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004940/publication.md
observed a6ec3576a0f2fda973be4c620d90a396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:02.195682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004940/publication.txt
observed 92cb09bfc5c3e64dc87220befdb92beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.